弹用涡喷发动机的动态仿真研究

SIMULATION ON DYNAMIC CHARACTERISTICS OF TURBOJET ENGINE FOR MISSILES

关键词:  涡轮喷气发动机  导弹推进  动态特性  计算机仿真

Key words:  Turbojet engine  Missile propulsion  Dynamic characteristic  Computerized simulation

摘要:

采用变比热容的方法及容积积累模型，建立了调节系统及发动机主要部件的动力学方程，对某弹用涡喷发动机的过渡态进行了模拟仿真。结果表明：该发动机转速特性典型，加速性好，仿真数模及程序有较好的可信度。此外，还分析了涡喷发动机的仿真特点和仿真中必须解决的关键问题。

Abstract:

The dynamic equations for regulator system and major components of turbojet engine were established by the method of variable specific heat and the model of volume accumulation. Dynamic simulation was conducted on the transient state of a turbojet engine for missile.The results show that the rotational velocity characteristics of the engine is typical,the acceleration property of the engine is good,the simulation model and the program are reliable.The key problem of the simulation and the dynamic characteristics of turbojet engine were analyzed